On Fri, Mar 3, 2017 at 5:05 PM, Job Snijders <j...@instituut.net> wrote:
> > There are, of course, corner cases. But in general, single-homed > > people shouldn’t be using BGP. > > There are numerous reasons to use BGP when single-homed: > > - as preparation to multi-home in the (near) future > - ability to quickly change providers > - to use BGP based blackholing features > - to save time on provisioning work (adding new prefixes becomes a > matter of just announcing and updating IRR/RPKI). > - loadbalanacing / loadsharing across multiple links > - ability to use bgp communities for traffic engineering > > In other words, if you have your own IP space, I'd recommend to get your > own ASN and use BGP. I concur with Job. If you are single-homed but care about having proper L3 redundancy (not just VRRP or equivalent), BGP is a must. ARIN has a policy to allow this, but it is not spelled out with an excess of clarity. I suspect it is not often used; see NRPM section 5. -- Jeremy Austin
